Organization · Venture Capital

Clean Energy Ventures

Clean Energy Ventures is a Boston-based venture capital firm founded in 2005, focusing on early-stage climate technology companies that develop advanced energy technologies and business model innovations to mitigate climate change.

Venture CapitalFunder

Overview

What Clean Energy Ventures does

What Clean Energy Ventures is

Clean Energy Ventures is a Boston-based venture capital firm founded in 2005, focusing on early-stage climate technology companies that develop advanced energy technologies and business model innovations to mitigate climate change.

How it participates in the startup ecosystem

The current public profile supports funder capabilities. Each capability below is shown separately so organization identity and role-specific information do not get conflated.

Operational profile

Organization status and context

Organization status describes the entity itself. Funding and program availability appear within the relevant capability profile.

Operational status
Active
Organization type
Venture Capital
Founded
Founded in 2005
Approximate age
About 21 years
Structured capabilities
Funder
Last reviewed
February 28, 2026

Official channels

Find Clean Energy Ventures elsewhere

Open the official website or a supported primary organization account.

Capability profile

Clean Energy Ventures as a funder

Investment thesis

Financing seed and Series A climate tech startups with potential to mitigate at least 2.5 gigatons of CO2e by 2050

Focus narrative

Exclusively technologies capable of mitigating 2.5+ gigatons CO2e by 2050. Battery recycling, grid enhancement, advanced materials, electrified thermal, sustainable hydrogen.

Value beyond capital

Co-developing patents, talent acquisition, strategic marketing, technical support from physicist/engineer team. First VC backer for most portfolio companies.

Terms and economics

Typical check
$1,000,000–$10,000,000
Sweet spot
$6,500,000

Focus and fit

Stages
Seed · Series A
Sectors
Clean Energy · Renewable Energy · Energy · Battery · Ev Charging · Smart Grid · Green Hydrogen · Carbon Capture

Availability

Currently deploying
Yes

Portfolio and track record

Recorded portfolio count
50
Investments in the last 12 months
7
Last recorded investment
May 9, 2025
Recorded notable exits
Powerhouse Dynamics, PurposeEnergy, and 7AC

Portfolio context

50 companies. 95% of Fund I thriving with >1x multiples. Pre-Fund portfolio: 34% net IRR, 3x multiple. Includes Nth Cycle, LineVision, Boston Materials, Electrified Thermal Solutions.

Related programs

Programs hosted by Clean Energy Ventures

Common questions

What to know about Clean Energy Ventures

Upseed classifies Clean Energy Ventures under the Venture Capital organization type. Its current public profile includes funder capabilities.

Next step

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Source and update disclosure

Know what this page is based on

Source basis

Public organization and program material, official websites, and structured Upseed records.

Last reviewed

February 28, 2026

Known limits

Capability profiles appear only when a structured public profile also contains decision-useful role evidence. Terms and availability can change.

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